Centras is an elderate in the city of Kaunas, Lithuania, based on two neighbourhoods of Kaunas - the Old City and the New City. It lies at the confluence of two major Lithuanian rivers, the Nemunas and the Neris. The borough borders Žaliakalnis in the north, Šančiai in the east, Aleksotas in the south and Vilijampolė in the west.
Kaunas Old Town - the oldest part of Kaunas town, located to the east of the confluence of the Nemunas and Neris rivers, occupies 144 hectares. There are a lot of surviving Gothic, Renaissance and Baroque buildings, especially in the western part of the Old Town. Many notable buildings and facilities are located in the Old Town, such as the Kaunas Town Hall, the Kaunas Castle and the Historical Presidential Palace, House of Perkūnas, also the Kaunas Cathedral, the Church of St. Gertrude, Vytautas' church and many other churches. Great variety of museums, such as Museum of the History of Lithuanian Medicine and Pharmacy, Povilas Stulga Museum of Lithuanian Folk Instruments, Maironis Lithuanian literature Museum, Communication History Museum, Museum of Gemology and Kaunas City Museum are situated.