American Library Association is the youngest of its kind.
Avan -LRB- Ավան վարչական շրջան , Avan varcakan srjan -RRB- , is one of the 12 districts of Yerevan , the capital of Armenia .. Armenia. Armenia. Yerevan. Yerevan. 12 districts. Districts of Yerevan. With an estimated population of 51,000 , Avan forms the northern gate of Yerevan .. Yerevan. Yerevan. Originally , an ancient village on a hill at the northeastern outskirts of Yerevan , Avan was inhabited since pre-Christian times .. Yerevan. Yerevan. In the 20th century , during the Soviet rule , the village was incorporated to become part of the capital Yerevan .. Yerevan. Yerevan. Soviet. Soviet Union. According to the 2011 census , Avan has a population of 53,231 .. Avan is home to the oldest preserved church in Yerevan ; the Katoghike Tsiranavor Church dating back to the late 6th century .. Yerevan. Yerevan. Katoghike Tsiranavor Church. Katoghike Tsiranavor Church of Avan. It was built by the pro-Byzantine unrecognized Armenian Catholicos John of Bagavan to become his seat .. The large cemetery contains many khachkars from the 13th to 18th centuries .. Adjacent to it across the street is a stepped plinth and broken funerary pillar monument of the 5th or 6th century .. A worn inscription may be found along the landings of the second and third steps .