Bulgaria is a country in Southeast Europe. It is situated on the eastern flank of the Balkans. Bulgaria covers a territory of 110,994 square kilometres (42,855 sq mi), and is the sixteenth-largest country in Europe. It had a population of 6,520,314 in 2021. Sofia is the nation's capital and largest city; other major cities are Plovdiv, Varna and Burgas.

The National Museum of Military History in Sofia, Bulgaria, is a prominent museum that showcases the country’s military heritage and provides a deep insight into Bulgaria's historical and modern armed forces. Founded in 1916, this museum offers a vast collection of military artifacts that highlight Bulgaria's military past and its role in regional and global conflicts.

The City Garden in Sofia, Bulgaria, known locally as "Gradska Gradina," is one of the city's oldest and most popular public parks. Located in the heart of Sofia, near significant landmarks like the Ivan Vazov National Theater and the former Royal Palace (now the National Art Gallery), this garden has long been a favorite spot for both locals and tourists.

The National Palace of Culture, often referred to as NDK, is a prominent cultural and congress center located in Sofia, the capital city of Bulgaria. It is the largest, multi-functional conference and exhibition centre in south-eastern Europe. It was opened in 1981 in celebration of Bulgaria's 1300th anniversary.

The Alexander Nevsky Cathedral is a Bulgarian Orthodox cathedral located in the capital city of Sofia. It was built in the late 19th and early 20th centuries and is named after Alexander Nevsky, a Russian prince who is revered as a hero in both Russia and Bulgaria.