Aydar () is a rural locality (a derevnya) in Yäà Âel ÃÂzän District, Tatarstan. The population was 210 as of 2010. Aydar, Zelenodolsky District is located 45 km from Yäà Âel ÃÂzän, district's administrative centre, and 90 km from Qazan, republic's capital, by road. The village was established in 17th century. There are 3 streets in the village.