Hlučín-Darkovičky Czechoslovak Fortification Complex

Markvartovice (German: Markersdorf) is a municipality and village in Opava District in the Moravian-Silesian Region of the Czech Republic. It has about 2,200 inhabitants. It is part of the historic Hlučín Region.

Hlučín (Czech pronunciation: [ˈɦlutʃiːn]; German: Hultschin; Polish: Hulczyn) is a town in Opava District the Moravian-Silesian Region of the Czech Republic. It has about 14,000 inhabitants. It was the centre of the historic Hlučín Region. The historic town centre is well preserved and is protected by law as an urban monument zone.

Šilheřovice (German: Schillersdorf, Polish: Szylerzowice) is a municipality and village in Opava District in the Moravian-Silesian Region of the Czech Republic. It has about 1,600 inhabitants. It is part of the historic Hlučín Region.

Hlučín Region (Czech: Hlučínsko, German: Hultschiner Ländchen, Polish: Ziemia hulczyńska) is a historically significant part of Czech Silesia, now part of the Moravian-Silesian Region in the Czech Republic. It is named after its largest town, Hlučín. Its area is 316.9 km2 (122.4 sq mi), and in 2021, it had 66,750 inhabitants.

Kozmice (German: Kosmütz) is a municipality and village in Opava District in the Moravian-Silesian Region of the Czech Republic. It has about 1,900 inhabitants. It is part of the historic Hlučín Region.

Rudyszwałd [ruˈdɨʂfau̯t] is a village in the administrative district of Gmina Krzyżanowice, within Racibórz County, Silesian Voivodeship, in southern Poland, close to the Czech border. It lies approximately 6 kilometres (4 mi) south of Krzyżanowice, 16 km (10 mi) south of Racibórz, and 62 km (39 mi) south-west of the regional capital Katowice. The village was first mentioned in a Latin document of Diocese of Wrocław called Liber fundationis episcopatus Vratislaviensis from around 1305 as item in Rudolfwald debent esse XXIII) mansi. The name, Rudolph plus wald (German: a wood), indicates ethnically German settlement.

Děhylov (German: Dielhau) is a municipality and village in Opava District in the Moravian-Silesian Region of the Czech Republic. It has about 700 inhabitants.

Martinov (German: Martinau) is a village, now administrative district of the city of Ostrava, Moravian-Silesian Region in the Czech Republic. The village was first mentioned in a written document in 1424 as Myrtynow and lies in the historical region of Silesia. Martinov has an agricultural character and has a population of 1,131. The village was administratively joined to Ostrava in July 1961, after that the large food-processing plant was constructed there. Coat of arms of the village depicts Saint Martin of Tours.

Ostravice (Polish: Ostrawica, German: Ostrawitza) is a river in Moravian-Silesian Region, Czech Republic. It originates in the Moravian-Silesian Beskids and then flows through Ostravice, Frýdlant nad Ostravicí, Frýdek-Místek and Paskov to Ostrava where it enters the Oder as its right tributary. The river starts as the Ostravice after the confluence of the Bílá Ostravice (i.e., White Ostravice, considered its main source) and the Černá Ostravice (i.e. Black Ostravice). They are both streams flowing through deeply forested valleys which are important access roads to the resorts of Bílá and Bílý Kříž. Ostravice then creates a fresh water reservoir behind Šance Dam, for the industrial region around Ostrava finished in 1970. It has an area of 335 km2 (129 sq mi) and a 65 m (213 ft) high and 342 m (1,122 ft) long rockfill dam. The Ostravice then flows through the rolling hills region between Ostravice and Frýdek-Místek and finally through the lowlands of the highly industrial Ostrava basin. It partly forms the border between historical regions Moravia (left bank) and Silesia (more precisely Cieszyn Silesia) (right bank). It was first agreed as such in 1261 by a special treaty between Władysław Opolski, Duke of Opole and Racibórz and Ottokar II of Bohemia. Later it was confirmed on 2 August 1297 between Mieszko I, Duke of Cieszyn and Dětřich, bishop of Olomouc. It lost importance as a state border in 1327, when the Duchy of Teschen became a fee of the Kingdom of Bohemia.

Přívoz (German: Prziwos, briefly till 1920 and 1939-1945 also Oderfurt) is a part of the city of Ostrava, Moravian-Silesian Region in the Czech Republic. It lies in the Moravian part of the city, in the administrative district of Moravská Ostrava a Přívoz. It lies in the historical region of Moravia and was first mentioned in a written document in 1377 as Prsiewoz.Heavy industrialization that occurred in Ostrava in the second half of the 19th century also affected Přívoz. Railroad line was built there, coke-processing plant was constructed in 1909 together with a power plant. Industrialization had impact also on demographics, influx of migrant workers occurred. Přívoz was formerly an independent municipality, in 1900 it gained town rights, in 1924 it became a part of Ostrava.The most important landmark in Přívoz is Immaculate Conception of Virgin Mary Church. Polish writer Wiesław Adam Berger was born here, as was German silent film actress Gilda Langer.

Ostrava main railway station (Czech: Ostrava hlavní nádraží, abbreviated Ostrava hl.n), is a railway station in city part Ostrava-Přívoz and main train terminus of Ostrava, third biggest city in the Czech Republic.

The Opava (Czech: Opava, Polish: Opawa, German: Oppa) is a river in the north-eastern Czech Republic, a left tributary of the Oder river. It originates at the confluence of Bílá (White), Střední (Middle) and Černá (Black) Opava in Vrbno pod Pradědem and runs over 110 km (69 mi) to the Oder at Ostrava, with some 25 km (16 mi) forming the border with Poland. Its basin area is about 2,090 km2, of which 1,814 km2 in the Czech Republic.After the First Silesian War, by the terms of the Treaty of Breslau in 1742, the Opava in the Duchy of Troppau became the border between Austrian and Prussian Silesia (the later Province of Silesia). After World War I the demarcation was confirmed by the 1919 Treaty of Saint-Germain-en-Laye as the border between Czechoslovakia (Czech Silesia) and the Second Polish Republic.