As a result of broad demilitarization process, numerous military bases had been locked out in the last years all over the world. In the regions whose economies depended heavily on military orders, and large share of employment was in the army-oriented services, the closure of the military bases had huge negative impact on the economy, as finding new development path showed to be difficult. The article demonstrates the examples of successful demilitarization and conversion of the cities and regions in France, Germany and USA and formulates recommendations for the Polish communes experiencing military base closure.