KASCHIN, a city of the province of Tver, in Russia, the capital of a circle of the same name, extending over eighty-seven square miles, containing one city and 486 villages, with 75,896 inhabitants. The city is situated on the river Kaschinta, and contains twenty-five churches, 705 houses, and 3813 inhabitants. Long. 37. 35. E. Lat. 57. 20. N.