Luzha
The Luzha is a river in Kaluga Oblast, Russia, which originates in Moscow Oblast. It is a right tributary of the Protva. The Luzha has a length of and a drainage basin area of. The Luzha freezes up in November and breaks up in April. The town of Maloyaroslavets, the site of an important battle in 1812 during the French invasion of Russia, is located on the Luzha.