By birth

Acquiring of Polish citizenship by birth – ius sanguinis

General principle in Poland is acquiring Polish citizenship by a right of the blood (ius sanguinis). That means, that a child whom at least one of the parents is a Polish citizen acquiring polish citizenship in the moment of he/she's birth regardless of fact, that he/she was born in the territory of Poland or not.

Exceptions – aquiring Polish citizenship in accordance with a right of the soil (ius soli)

Child is acquiring polish citizenship in accordance with right of the soil in two cases:

• 1. When a child was born in the territory of Poland and he/she's parents are unknown or their citizenship is not specified or they have no citizenship
• 2. When a child was found in the territory of Poland and he/she's parents are unknown or their citizenship is not specified or they have no citizenship