According to Act of 6 January 2005 on National and Ethnic Minorities and on the Regional Languages there are 16 bilingual communes in Poland:
The municipality or commune (Polish: gmina, plural: gminy) is the principal unit (lowest level) of territorial division in Poland. ...

Official/auxiliary German language in commutes in Silesia

German in part of Silesia - Opole Voivodeship: Silesia (Czech: ; German: ; Latin: ; Polish: ; Silesian: Ślónsk) is a historical region in central Europe. ... Capital city Opole Area 9412. ...

• Gmina Biała (Gemeinde Zülz; since 06.03.2006)
• Gmina Chrząstowice (Gemeinde Chronstau; od 25.01.2006)
• Gmina Izbicko (Gemeinde Stubendorf; since 06.03.2006)
• Gmina Jemielnica (Gemeinde Himmelwitz; since 28.08.2006)
• Gmina Kolonowskie (Gemeinde Colonnowska; since 22.09.2006)
• Gmina Lasowice Wielkie (Gemeinde Groß Lassowitz; since 18.10.2006)
• Gmina Leśnica (Gemeinde Leschnitz; since 17.05.2006)
• Gmina Prószków (Gemeinde Proskau; since 11.07.2006)
• Gmina Radłów (Gemeinde Radlau; since 25.01.2006)
• Gmina Reńska Wieś (Gemeinde Reinschdorf; since 26.10.2006)
• Gmina Strzeleczki (Gemeinde Strehlitz; since 17.05.2006)
• Gmina Tarnów Opolski (Gemeinde Tarnau; since 15.02.2007)
• Gmina Ujazd (Gemeinde Ujest; since 28.08.2006 r.)
• Gmina Walce (Gemeinde Walzen; since 04.04.2006 r.)

The possibility of introduction also in other commutes in Opole Voivodeship and Silesian Voivodeship: Bierawa, Cisek, Dobrodzień, Dobrzeń Wielki, Głogówek, Komprachcice, Łubniany, Murów, Olesno, Pawłowiczki, Polska Cerkiew, Turawa, Zębowice, Krzanowice. Map on side of Ministry of Internal Matters and Administration [1]. Capital city Opole Area 9412. ... Capital city Katowice Area 12,294 km² Population (2004)  - Density 4,830,000 392. ...

Kashubian in Pomeranian Voivodeship: Kashubian or Cassubian (Kashubian: kaszëbsczi jãzëk, pòmòrsczi jãzëk, kaszëbskò-sÅ‚owiÅ„skô mòwa) is one of the Lechitic languages, which are a group of Slavic languages. ... Capital city GdaÅ„sk Area 18,293 km² Population (2004)  - Density 2,192,000 120/km² Powiats  - Urban counties  - Land counties 4 16 Communes 123 Logo of Pomeranian Voivodeship Sea port in GdaÅ„sk The Sea Towers in Gdynia will be the tallest building (138 m) in Poland outside Warsaw...

• Gmina Parchowo (Gmina Parchòwò; since 16.08.2006 r.)

Lithuanian in Podlachian Voivodeship: Capital city BiaÅ‚ystok Area 20 180 km² Population  - Density 1,221,000 60. ...

• Gmina Puńsk (Punsko valsčius; since 25.05.2006 r.)