ROSTOW, a city of Russia, in the province of Jaroslavl, the capital of a circle of its own name, situated on the lake of Nero or Rostow. It contains twenty-four churches, six hospitals, 1016 houses, and 6500 inhabitants; and has extensive trade in corn, hemp, linen, tallow, leather, honey, and wax, and some in salt. It is 530 miles from St Petersburg. Long. 39. 35. E. Lat. 58. 57. N.