1, The full form of bs is Bosnian. It’s used on Regional ,Language Codes in Worldwide

Bosnia and Herzegovina is a country on the Balkan Peninsula in southeastern Europe. Its countryside is home to medieval villages, rivers and lakes, plus the craggy Dinaric Alps. National capital Sarajevo has a well preserved old quarter, Baščaršija, with landmarks like 16th-century Gazi Husrev-bey Mosque. Ottoman-era Latin Bridge is the site of the assassination of Archduke Franz Ferdinand, which ignited World War I. 

2, The full form of bs is Bahamas (TLD). It’s used on Computing ,Internet in Bahamas

.bs is the Internet country code top-level domain (ccTLD) for the Bahamas. The Bahamas, known officially as the Commonwealth of The Bahamas, is a country within the Lucayan Archipelago of the West Indies in the Atlantic. It takes up 97% of the Lucayan Archipelago’s land area and is home to 88% of the archipelago’s population.