ISO3166-2 regions for BY

BY-BR : Brestskaya voblasts' (be)
BY-HO : Homyel'skaya voblasts' (be)
BY-HR : Hrodnenskaya voblasts' (be)
BY-MA : Mahilyowskaya voblasts' (be)
BY-MI : Minskaya voblasts' (be)
BY-VI : Vitsyebskaya voblasts' (be)