A Christian missionary source describes them as "ardent followers of Theravada Buddhism", and offers as an estimate that 80% of the Bulang are "professing Buddhists", with a lower estimate of 35% being "practicing Buddhists".
In Thailand exists a community of Christian Plangs, who in 2008 founded their own church building in Nakhon Pathom province. Except for the Bulang of Xishuangbanna, the Bulang of most of these counties speak the U language (Svantesson 1991). Locations from Wang & Zhao (2013:173-179) are also included.
- Menghai County (pop. 30,678; 33% of all ethnic Bulang in China)
- Bulangshan (Bulang Mountain) Township 布朗山乡
- Bada Township 巴达乡
- Xiding Township 西定乡
- Shuangjiang County (pop. 12,527; 7.9% of all ethnic Bulang in China)
- Bangbing Township 邦丙乡 (17 villages)
- Dawen Township 大文乡 (12 villages)
- Mengku Township 勐库镇 (3 villages, including Gongnong 公弄村 Luo'ade 罗阿德, Xiaobaishui 小白水, Luoshuiba 落水坝, Xiamangping 下忙坪, Nanmusuan 南木算, Manghai 忙海, Yatang 鸭塘, Duande 端德村, Hudong 户董, Hewei 河尾, Landizhai 烂地寨, Banpo 半坡
- Mengban Township 勐板乡: Ganzhe 甘蔗, Xiazhai 下寨, Dazhai 大寨, Huangguozhai 黄果寨, Datian 大田, Nandongshan 南董山, Xiahuya 下户丫
- Dashan Township 大山乡: Huwei 户威, Hongshan 红山, Malizhai 麻栗寨, Pahong 怕红
- Dedang Township 德党乡: Qianshandong 钻山洞村, Gaojingcao 高井槽
- Manwan Township 漫湾镇: Dapingzhang 大平掌, Manjiu 慢旧, Hetaolin 核桃林村 Langbashan 浪坝山, Laolu 老鲁
- Lishu Township 栗树乡: Mangbang 忙蚌, Manlang 慢郎, Xiaobanggan 小邦赶
- Gengma County (pop. 2,957)
- Manghong Township 芒洪乡: Keqie 科且村, Anya 安雅村
- Gengxuan Township 耿宣镇: Mangfu 芒福, Bakazhai 坝卡寨
- Xipaishan Township 西排山乡: Dongpo 东坡村, Bankang 班康村 Manhong 蛮洪, Wengji 翁机, Wengwa 翁洼
- Qianliu Township 谦六乡: Dagang 打岗, Dagun 打滚, Machang 马厂, Danao 大脑
- Dongwen Township 文东乡: Shuitang 水塘, Jiuku 旧苦, Pasai 帕赛 (in Nagongzhai 那巩寨)
- Banpo Township 半坡乡: Bandu 班督村
- Jingdong County
- Baodian Township 保甸乡 Dacheshu 大车树村
Ethnic Bulang villages are also located in Jinghong City, including in Kunhan Dazhai 昆罕大寨村
in Dahuangba Village 大荒坝村, Dadugang Township 大渡岗乡.
Thailand
According to the database of ethnicities in Thailand by Sirindhorn Anthropology Center,