Aquincum Military Amphitheatre

The Óbuda University (Hungarian: Óbudai Egyetem, Latin: Universitas Budensis), named after Óbuda, a part of Budapest, is a university in Budapest, Hungary. It was founded in 2000 as Budapest Tech (Budapesti Műszaki Főiskola) with the merging of three polytechnical institutes (Bánki Donát Technical College, Kandó Kálmán Technical College, Light Industry Technical College). With more than 15,000 students it is one of the largest technical universities in the country. Having complied with the requirements, the institution was promoted to university status on 1 January 2010 under the name of Óbuda University.

The Church of the Blessed Virgin Mary is a historic Roman Catholic church in Újlak, in the Budapest II district of Hungary.

The Óbuda Synagogue is a synagogue built in Óbuda, Hungary, in 1820–1821.

Margaret Island (Hungarian: Margitsziget [ˈmɒrɡit.siɡɛt]; German: Margareteninsel; Turkish: Kızadası) is a 2.5 km (1.6 mi) long island, 500 m (550 yd) wide, (0.965 km2 (238 acres) in area) in the middle of the Danube in central Budapest, Hungary. The island is mostly covered by landscape parks, and is a popular recreational area. Its medieval ruins are reminders of its importance in the Middle Ages as a religious centre. The island spans the area between the Margaret Bridge (south) and the Árpád Bridge (north). Before the 14th century the island was called Insula leporum (Island of Rabbits). Administratively Margaret Island used to belong to the 13th district, but now is directly under the control of the city. Its appearance today was developed through the connection of three separate islands, the Festő (Painter), the Fürdő (Bath) and the Nyulak (Rabbits), during the end of the 19th century, to control the flow of the Danube. Originally, the island was 102.5 metres above sea level, but now has been built up to 104.85 metres above sea level to control flooding.

Frankel Leo Synagogue is located on the Buda side of Budapest, Hungary (2nd district, Frankel Leo street 49). It is a Neolog synagogue which is the local mainstream of the Jewish community. The congregation and prayers similar to the Conservative/Masorti but without being egalitarian. Men and women sit separated but without mechitzah. They follow the Nusach Ashkenaz.

The Alfréd Hajós National Swimming Stadium is an aquatics complex located on Margaret Island in Budapest, Hungary.The facility has four floors, covers an area of about 80,000 square meters and has eight indoor and outdoor pools, including training pools, diving pools and competitive swimming pools both for short course and long course.The indoor swimming pool was built in 1930, off the plans of the renowned Hungarian swimmer and architect Alfréd Hajós, of whom the centre takes its name after. Eszter Pécsi, Hungary's first female architect and structural engineer, designing the articulated reinforced concrete arches. The outdoor swimming pool and the diving facility were completed in 1937, since then they have expanded and improved several times.Recently the facility was renovated before the 2006 European Championship, with an additional outdoor 50-meter pool and diving pool, named after Tamás Széchy. This brought the total number of indoor and outdoor pools up to 8 including an international standard diving platform for professional and amateur athletes. The Hajós Alfréd National Sports Club has hosted many world competitions and regularly hosts international water polo tournaments. The venue was the home of the European Aquatics Championships in 2006 and 2010 and the 2014 Men's European Water Polo Championship and 2014 Women's European Water Polo Championship competitions.

Alternatív Közgazdasági Gimnázium ("Alternative Secondary School of Economics"), known as AKG by its students, is a six-year high school in Budapest, Hungary. The basic educational principle of the school is that a child is not preparing for life but is living it. The school has given up the traditional instruments of institutional regulation, including house rules, systems of punishment and reward. These have been replaced with the free flow of information and the freedom of choice, emphasising the individual personalities of students, and taking into account their personal needs and concerns. The nature of this freedom changes along with the different stages of the students' life in the school.

Varga Studio, Ltd. was an animation studio located in Budapest, Hungary. It operated from 1988 to 2005 and was one of Europe's nine leading animation houses. While most of its work was for European animation, it occasionally animated for American series as well. Varga has animated the following series and films: Amazing Animals (2D segments only) The Animal Train (co-produced with TVC London) Animaniacs (When You're Traveling skit only) Angelina Ballerina As Told by Ginger (pilot only) Baby Blues Kipper Percy the Park Keeper Poky and Friends (co-produced with TVC London, Little Golden Books and Golden Books Family Entertainment. Distributed by Sony Wonder) Preston Pig (co-produced with Link Entertainment and Entertainment Rights) Mr. Bean: The Animated Series (2002–2004) Sheeep Stressed Eric (second season) The Thief and the Cobbler (additional ink and paint)In addition, Varga worked on many early advertisements for Butterfinger featuring The Simpsons, as well as music videos of The Simpsons such as "Do The Bartman" and "Deep Deep Trouble". They were subcontracted for these specials so that the regular Simpsons studios like AKOM, Rough Draft Studios, and Anivision were not burdened with extra work and could concentrate on animating full episodes.From 2000, the studio produced cartoons as a subcontractor to Varga Holdings, which was established at the time, and to its owner, Varga Holdings Ltd., which was registered in the United Kingdom. The 2002 Mr. Bean cartoon series reached nearly four million views at its premiere in the UK. The production cost was more than six million dollars.Varga Studios Budapest worked on the pilot of the Animated Credits, (1999) and Varga Holdings later in 2002-2004.

The Lukács Thermal Bath (Hungarian: Szt. Lukács gyógyfürdő) is a historic indoor/outdoor thermal bath spa in Budapest, Hungary, heated by natural hot springs. All pools and four saunas can be used by all guests except for the optional area of the sauna world, which contains five more saunas, ice cooling pool, igloo and heated roman bench. There are also sauna nights on Fridays from 20:00 to 02:00.

The Molnár János Cave is a thermokarstic water-filled cave system. It is located in the Rózsadomb district of Budapest in Hungary.The deepest sections reach 100 metres (330 ft), while the total length of explored sections is currently 5.5 kilometres (3.4 mi). The cave mouth is just 200 metres (660 ft) from the Danube.In 2008, a cave lake was found there, with largest chamber roughly 86 metres (282 ft) long, 27 metres (89 ft) wide and 15 metres (49 ft) high.

Árpád Bridge or Árpád híd is a bridge in Budapest, Hungary, connecting northern Buda (Óbuda) and Pest across the Danube. Until the inauguration of Megyeri Bridge in 2008, it was the longest bridge in Hungary, spanning about 2 km (1.24 mi) with the sections leading up to the bridge, and 928 m (0.58 mi) without them. It is 35.3 m (116 ft) wide with pedestrian and bicycle paths and a tramline. At its Óbuda end is Flórián tér, Szentlélek tér (near the Main Square of Óbuda, the Vasarely and Kassák Museums). Margaret Island is connected to Árpád Bridge through an embranchment approximately in the middle of the bridge, and crosses the Southern tip of Óbuda Island as well, although there is no road, pedestrian or any other connection whatsoever between the two. (See Sziget Festival) At the Pest end, the adjoining Line 3 (North-South) metro station was called "Árpád híd" until 31 January 2020.

CEU Business School was a US-accredited and licensed management school in Budapest, capital of EU member Hungary. It was founded by a group including investor and philanthropist George Soros in 1988, and was the first school in Central Eastern Europe to offer graduate business education leading to an American MBA. On August 1, 2017, CEU created its new Department of Economics and Business, merging the Department of Economics and CEU Business School.