Republic Square is the central part of Yerevan. The idea of building it was given by the architector Aleksandor Tamanyan in 1924. Republic Square is said to be on of the 10 most beautiful Squares in the world. There are a few buildings in Republic Square: National History Museum of Armenia, The Government House, Ministry of Finance, Ministry of Foreign Affairs, Hotel "Mariott", The Ministry of Transport and Communications of the Republic of Armenia.

The Genocide Monument is designed to memorialize the innocent victims of the first Genocide in 1915. The Genocide Museum's mission statement is rooted in the fact that understanding the Armenian Genocide is an important step in preventing similar future tragedies, in keeping with the notion that those who forget the past are condemned to repeat it. The 44 meter stele symbolizes the national rebirth of Armenians. 12 slabs are positioned in a circle, representing the 12 last provinces in present day. In the center of the cirlce, at a depth of 15 metres, there is an eternal flame dedicated to the 1.5 million Armenians killed during the Armenian Genocide.

Erebuni Fortress also known as Arin Berd (meaning the "Fortress of Blood") is a fortified city from the ancient kingdom of Urartu, located in what is present-day Yerevan. It was one of several fortresses built along the northern Urartian border and was one of the most important political, economic and cultural centers of the vast kingdom. The name Yerevan itself is derived from Erebun. Early excavations began during the 19th century while more systematic excavations were carried out at Erebuni in 1952. The site of Erebuni Fortress was located atop the 65m. tall hill of Arin Berd as a strategic position overlooking the Ararat plain and the main roads leading to the citadel.

Matenadaran is a museum of old manuscripts and documents. It is an ancient manuscript repository located in the center of Yerevan. In front of the building there is the statue of Mesrop Mashtots the creator of Armenian alphabet and his pupils. On the wall it is written the first sentence translated into Armenian from the Holy Bible. The Matenadaran is in possessiom of a collection of nearly 1700 manuscripts and 30.000 other documents which cover a wide array of subjects such as historiography, geography, philosophy, grammar, art history and science.