text: Based in Bonn , Germany , T-Mobile is present in ten other European countries ( Austria , Croatia , Czech Republic , Hungary , Macedonia , Montenegro , the Netherlands , Poland , Slovakia and the United Kingdom ) as well as the United States .
simplified: T-Mobile International has a large presence in eleven European countries : Austria , Croatia , Czech Republic , Germany , Hungary , Macedonia , Montenegro , the Netherlands , Poland , Slovakia and the United Kingdom as well as in the United States .