First-level division
🇷🇺 Kaluga Oblast
Subdivisions
Borovsky District
Population 61,761
Zhukovsky District
Population 53,081
Dzerzhinskiy Rayon
Population 52,951
Maloyaroslavetsky District
Population 49,479
Lyudinovsky District
Population 42,421
Kirovsky District
Population 40,476
Sukhinichsky District
Population 23,246
Babyninskiy Rayon
Population 18,349
Ferzikovsky District
Population 18,053
Tarussky District
Population 15,000
Duminichsky District
Population 14,083
Medynsky District
Population 12,846
Meshchovsky District
Population 12,197
Yukhnovskiy Rayon
Population 10,826
Zhizdrinsky District
Population 10,340
Khvastovichsky District
Population 10,291
Kuybyshevsky District
Population 7,998
Iznoskovsky District
Population 6,822
Baryatinskiy Rayon
Population 6,032
Gorodskoy Okrug Gorod Kaluga
Gorodskoy Okrug Obninsk
Kaluga Urban District
Kozelsky District
Mosalsky District
Peremyshlsky District
Spas-Demensky District
Ulyanovsky District