Oman Browse regions with water & wastewater management location pages. Ad Dākhilīyah 6 cities Al Buraymī 1 cities Al Wusţá 1 cities Az̧ Z̧āhirah 2 cities Janūb al Bāţinah 2 cities Janūb ash Sharqīyah 1 cities Masqaţ 6 cities Musandam 1 cities Shamāl al Bāţinah 4 cities Shamāl ash Sharqīyah 2 cities Z̧ufār 4 cities