Luzhsky District is an administrative and municipal district (raion), one of the seventeen in Leningrad Oblast, Russia. It is located in the southwest of the oblast and borders with Gatchinsky District in the north, Tosnensky District in the northeast, Novgorodsky and Batetsky Districts of Novgorod Oblast in the southeast, Shimsky District, also of Novgorod Oblast, in the south, Plyussky District of Pskov Oblast in the southwest, Slantsevsky District in the west, and Volosovsky District in the northwest. The area of the district is 6,006.44 square kilometers (2,319.10 sq mi). Its administrative center is the town of Luga. Population : 40,166 (2010 Russian census); 41,885 ; 48,721 (1989 Soviet census).

Gatchinsky District is an administrative and municipal district (raion), one of the seventeen in Leningrad Oblast, Russia. It is located in the southwestern central part of the oblast and borders with Krasnoselsky, Moskovsky, and Pushkinsky Districts of the federal city of St. Petersburg in the north, Tosnensky District in the east, Luzhsky District in the south, Volosovsky District in the west, and with Lomonosovsky District in the northwest. The area of the district is 2,868.7 square kilometers (1,107.6 sq mi). Its administrative center is the town of Gatchina. Population : 140,210 (2010 Russian census); 132,010 ; 138,022 (1989 Soviet census).