Buda Castle (Hungarian: Budavári Palota, German: Burgpalast) is the historical castle and palace complex of the Hungarian kings in Budapest. It was first completed in 1265, but the massive Baroque palace today occupying most of the site was built between 1749 and 1769. The complex in the past was referred to as either the Royal Palace (Hungarian: Királyi-palota) or the Royal Castle (Hungarian: Királyi Vár, German: Königliche Burg). The castle now houses the Hungarian National Gallery and The Budapest History Museum.Buda Castle sits on the south tip of Castle Hill, bounded on the north by what is known as the Castle District (Várnegyed), which is famous for medieval, Baroque and Neoclassical houses, churches and public buildings. The hill is linked to Clark Ádám Square and the Széchenyi Chain Bridge by the Castle Hill Funicular. The castle is a part of the Budapest World Heritage Site, so declared in 1987.[1]

Matthias Church (Hungarian: Mátyás-templom) is a Roman Catholic church located in Budapest, Hungary, in front of the Fisherman's Bastion at the heart of Buda's Castle District. According to church tradition, it was originally built in Romanesque style in 1015, although no archaeological remains exist.[2] The current building was constructed in the florid late Gothic style in the second half of the 14th century and was extensively restored in the late 19th century. It was the second largest church of medieval Buda and the seventh largest church of the medieval Hungarian Kingdom.

The Citadella is the fortification located upon the top of Gellért Hill in Budapest, Hungary. Citadella is the Hungarian word for citadel, a kind of fortress. The word is exclusively used by other languages to refer to the Gellért Hill citadel which occupies a place which held strategic importance in Budapest's military history. The best spot to take stunning photos.