Sign/Ruler: Gemini/Mercury Duad Degree: 2½-5° Gemini Administrative Division:  Luxembourg is divided into 3 districts (Diekirch, Grevenmacher , Luxembourg ), which are further divided into 12 cantons and then 116 communes . Twelve of the communes have city status , of which the city of Luxembourg is the largest. D3-4-1 Grevenmacher ,