Electrical and Electronics Institute of Thailand

Tha Tian Market (Thai: ตลาดท่าเตียน, RTGS: Talat Tha Tian, pronounced [tā.làːt tʰâː tīa̯n]), is one of famous historical ordinary community market in the Phra Nakhon District, Bangkok, Thailand. It is on Rattanakosin Island, located near the Grand Palace – next to Wat Pho, by Chao Phraya River. It has Tha Tian Pier next to the market. It is also known as culture food market that sells dried salted seafood products and wholesale products (Dailynews, 2014; River, n.d.). Tha tian market was the biggest trading center of Chao Phraya River on 17th - 18th century in Rattanakosin era (River, n.d.; In-Jan, 2015).

Nagaraphirom Park (Thai: สวนนาคราภิรมย์) is a good atmosphere small public park of about 3 rai (round about 1.1 acres) on the Chao Phraya River in Bangkok. Located on Maharat Road, Phra Borom Maha Ratchawang Subdistrict, Phra Nakhon District behind the Grand Palace between Tha Tian (N8) and Tha Chang Wang Luang Pier (N9). On June 26, 2009 King Bhumibol Adulyadej (Rama IX) named the park "Nagaraphirom", meaning "delightful park for the townspeople". Nagaraphirom Park officially opened in December 2010. The park is open daily from 05:00 a.m. to 09:00 p.m. In 2016 the Crown Property Bureau (CPB) as owner of the area. There's a project to build a three-storey and a half underground parking garage here. It can accommodate 700 cars, construction takes two years.

Phra Ratchawang Police Station is a historical building in Phra Nakhon district, Bangkok, Thailand.

Wat Arun Ratchawararam Ratchawaramahawihan (Thai: วัดอรุณราชวราราม ราชวรมหาวิหาร pronunciation ) or Wat Arun (Thai pronunciation: [wát ʔarun], "Temple of Dawn") is a Buddhist temple (wat) in Bangkok Yai district of Bangkok, Thailand, on the Thonburi west bank of the Chao Phraya River. The temple derives its name from the Hindu god Aruna, often personified as the radiations of the rising sun. Wat Arun is among the best known of Thailand's landmarks. The first light of the morning reflects off the surface of the temple with pearly iridescence. Although the temple had existed since at least the seventeenth century, its distinctive prang (spire) was built in the early nineteenth century during the reigns of Rama II and Rama III.

Thonburi Palace, also known in Thai as Phra Racha Wang Derm (Thai: พระราชวังเดิม, RTGS: Phraratchawang Doem, literally former palace), is the former royal palace of King Taksin, who ruled the Siamese (Thai) kingdom of Thonburi following the fall of Ayutthaya in 1767 and up until the establishment of Rattanakosin in 1782. It later served as the residence of several high-ranking members of the Chakri Dynasty until 1900 when the palace became the site of the Royal Thai Naval Academy. The palace is now within the grounds of the Royal Thai Navy headquarters in Bangkok, and is open for group visits pending advance appointment.

Wat Pho (Thai: วัดโพธิ์, pronounced [wát pʰōː] (listen)), also spelled Wat Po, is a Buddhist temple complex in the Phra Nakhon District, Bangkok, Thailand. It is on Rattanakosin Island, directly south of the Grand Palace. Known also as the Temple of the Reclining Buddha, its official name is Wat Phra Chetuphon Wimon Mangkhalaram Rajwaramahawihan (Thai: วัดพระเชตุพนวิมลมังคลารามราชวรมหาวิหาร; pronounced [wát pʰráʔ tɕʰê:t.tù.pʰon wíʔ.mon.maŋ.kʰlaː.raːm râːt.tɕʰá.wɔː.ráʔ.má.hǎː.wíʔ.hǎːn]). The more commonly known name, Wat Pho, is a contraction of its older name, Wat Photaram (Thai: วัดโพธาราม; RTGS: Wat Photharam).The temple is first on the list of six temples in Thailand classed as the highest grade of the first-class royal temples. It is associated with King Rama I who rebuilt the temple complex on an earlier temple site. It became his main temple and is where some of his ashes are enshrined. The temple was later expanded and extensively renovated by Rama III. The temple complex houses the largest collection of Buddha images in Thailand, including a 46 m long reclining Buddha. The temple is considered the earliest centre for public education in Thailand, and the marble illustrations and inscriptions placed in the temple for public instructions has been recognised by UNESCO in its Memory of the World Programme. It houses a school of Thai medicine, and is also known as the birthplace of traditional Thai massage which is still taught and practiced at the temple.

Rajini School (Thai: โรงเรียนราชินี, RTGS: Rachini, lit. "Queen's School") is a private girls' school in Thailand, and one of the oldest in the country. It was founded in 1904 by Queen Saovabha Phongsri as a replacement for the recently closed Sunanthalai School, which she had previously also sponsored. The school is situated in Bangkok's Phra Nakhon District, at the southern tip of the historic inner Rattanakosin Island. Today it admits kindergarten to upper secondary students, with an enrolment of 2,861 in 2019, and is known for its traditional values. The historic Sunanthalai Building is a listed ancient monument.

Drum Tower (Thai: หอกลอง) is a historic building constructed in 1782 in Bangkok located on side of Sanam Chai Road, Phra Borom Maha Ratchawang Subdistrict, Phra Nakhon District, beside to Wat Pho and Territorial Defense Command.

Sanam Chai station (Thai: สถานีสนามไชย, pronounced [sā.tʰǎː.nīː sā.nǎːm t͡ɕʰāj]) is a Bangkok MRT rapid transit station on the Blue Line. The station is located underground under Sanam Chai Road. During the excavation of the site to build the station, multiple historical artifacts were found, such as coins from the reign of King Mongkut and King Chulalongkorn. These were given to the Fine Arts Department and Museum Siam for preservation and research. An exhibition was planned to display these artifacts at concourse level under Exit 1. This was opened to the public as the first museum in Thailand located underground on 27 November 2020, free of charge.

Charoen Krung Road (Thai: ถนนเจริญกรุง, pronounced [tʰā.nǒn t͡ɕā.rɤ̄ːn krūŋ]) is a major road in Bangkok and the first in Thailand to be built using modern construction methods. Built during 1862–1864 in the reign of King Mongkut (Rama IV), it runs from the old city centre in Rattanakosin Island, passes through Bangkok's Chinatown, continues into Bang Rak District, where it formerly served the community of European expatriates, and ends in Bang Kho Laem. Construction of the road marked a major change in Bangkok's urban development, with the major mode of transport shifting from water to land. Charoen Krung Road was Bangkok's main street up to the early 20th century, but later declined in prominence. It is still home to many historic buildings and neighbourhoods, which are beset by changes as extension of the underground MRT is poised to drive new development.

Sanam Chai Road (Thai: ถนนสนามไชย, RTGS: Thanon Sanam Chai, pronounced [tʰā.nǒn sā.nǎːm t͡ɕʰāj]) is a historic street in Bangkok's Phra Nakhon District. It continues from Ratchadamnoen Nai Road at the northeastern corner of the Grand Palace, and runs south to meet Rachini and Maharat roads near the mouth of the old city moat, a short distance of 1.1 kilometres (0.68 mi). The Grand Palace, Wat Pho, Museum Siam, and Phra Ratchawang Police Station are located on the west side of the road, while on the east side are the Ministry of Defence headquarters, Saranrom Palace, Saranrom Park, the Territorial Defense Command headquarters and Wat Rajabopit School. Sanam Chai Station of the underground MRT's Blue Line is located beneath the road's final stretch. The road is named after Sanam Chai ("field of prosperity"), a field formerly located in front of Saranrom Palace and used for military training. The field, together with Sanam Luang, was named by King Mongkut (Rama IV) in 1855, in order to follow the naming previously used in Ayutthaya. Sanam Chai is overlooked by the Grand Palace's Sutthaisawan Prasat Hall, which is used by the king for public appearances.

Wat Molilokkayaram Ratchawarawihan or simply Wat Molilokkayaram (Thai: วัดโมลีโลกยาราม ราชวรวิหาร, วัดโมลีโลกยาราม) is an ancient Thai temple site between Wat Arun and Wat Kalayanamitr rim Khlong Bangkok Yai near Anuthin Sawat Bridge and close to Tonson Mosque.