The Opera Theatre building, named after Alexander Spendiarov was built in 1933 by the legendary architect A. Tamanyan. Located at the crossroads of Mashtots and Sayat-Nova streets. On the back of the Opera there are the famous Freedom Square with children's entertainment, monuments of Hovhannes Tumanyan and A. Spendiarov, many beautiful cafes and a lovely swan lake, which turns into a skating rink in winter.

The Republic Square began to be built in 1924 by the most famous architector of Armenia, Alexander Tamanyan, and was completed until 1977 (although most of the buildings were built in 1950). An area of ​​30,000 square meters of white and pink tuff is the main attraction and the heart of modern Yerevan. The project consists of five buildings: Government House, Main Post Office, Marriott Hotel, the former Foreign Ministry building and the Museum of History and the Art Gallery. And in the center are the famous singing fountains that turn on in the evening.

The Blue Mosque or Heavenly Mosque (the old name) is the only remaining of the seven mosques in Yerevan, and inside the complex is the only minaret out of four that previously existed. It was built in 1766 by the Yerevan Khan and located on Mesrop Mashtots street. In 1996-1999, the mosque was transferred to the Government of Iran and with full funding, was completely renovated.

One of the oldest church of Yerevan.St. Sargis was a symbol of lovers and in Armenia people celebrate St. Sargis day,like St. Valentine day.