使用SDK、ossutil等方式基于REST API访问OSS时，您需要使用OSS 地域（Region）对应的访问域名（Endpoint）。您可以通过本文了解地域、访问域名等基本概念，并查找OSS支持的地域和访问域名。
基本概念
使用OSS的访问域名前，您需要了解以下概念：
公共云
亚太-中国
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
华东1（杭州） | cn-hangzhou | oss-cn-hangzhou | oss-cn-hangzhou.aliyuncs.com | oss-cn-hangzhou-internal.aliyuncs.com | HTTP HTTPS |
华东2（上海） | cn-shanghai | oss-cn-shanghai | oss-cn-shanghai.aliyuncs.com | oss-cn-shanghai-internal.aliyuncs.com | HTTP HTTPS |
华东5（南京-本地地域） | cn-nanjing | oss-cn-nanjing | oss-cn-nanjing.aliyuncs.com | oss-cn-nanjing-internal.aliyuncs.com | HTTP HTTPS |
华东6（福州-本地地域） | cn-fuzhou | oss-cn-fuzhou | oss-cn-fuzhou.aliyuncs.com | oss-cn-fuzhou-internal.aliyuncs.com | HTTP HTTPS |
华中1（武汉-本地地域） | cn-wuhan-lr | oss-cn-wuhan-lr | oss-cn-wuhan-lr.aliyuncs.com | oss-cn-wuhan-lr-internal.aliyuncs.com | HTTP HTTPS |
华北1（青岛） | cn-qingdao | oss-cn-qingdao | oss-cn-qingdao.aliyuncs.com | oss-cn-qingdao-internal.aliyuncs.com | HTTP HTTPS |
华北2（北京） | cn-beijing | oss-cn-beijing | oss-cn-beijing.aliyuncs.com | oss-cn-beijing-internal.aliyuncs.com | HTTP HTTPS |
华北3（张家口） | cn-zhangjiakou | oss-cn-zhangjiakou | oss-cn-zhangjiakou.aliyuncs.com | oss-cn-zhangjiakou-internal.aliyuncs.com | HTTP HTTPS |
华北5（呼和浩特） | cn-huhehaote | oss-cn-huhehaote | oss-cn-huhehaote.aliyuncs.com | oss-cn-huhehaote-internal.aliyuncs.com | HTTP HTTPS |
华北6（乌兰察布） | cn-wulanchabu | oss-cn-wulanchabu | oss-cn-wulanchabu.aliyuncs.com | oss-cn-wulanchabu-internal.aliyuncs.com | HTTP HTTPS |
华南1（深圳） | cn-shenzhen | oss-cn-shenzhen | oss-cn-shenzhen.aliyuncs.com | oss-cn-shenzhen-internal.aliyuncs.com | HTTP HTTPS |
华南2（河源） | cn-heyuan | oss-cn-heyuan | oss-cn-heyuan.aliyuncs.com | oss-cn-heyuan-internal.aliyuncs.com | HTTP HTTPS |
华南3（广州） | cn-guangzhou | oss-cn-guangzhou | oss-cn-guangzhou.aliyuncs.com | oss-cn-guangzhou-internal.aliyuncs.com | HTTP HTTPS |
西南1（成都） | cn-chengdu | oss-cn-chengdu | oss-cn-chengdu.aliyuncs.com | oss-cn-chengdu-internal.aliyuncs.com | HTTP HTTPS |
中国香港 | cn-hongkong | oss-cn-hongkong | oss-cn-hongkong.aliyuncs.com | oss-cn-hongkong-internal.aliyuncs.com | HTTP HTTPS |
无地域属性 | rg-china-mainland | oss-rg-china-mainland | oss-rg-china-mainland.aliyuncs.com | 不支持 | HTTP HTTPS |
亚太-其他
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
日本（东京） | ap-northeast-1 | oss-ap-northeast-1 | oss-ap-northeast-1.aliyuncs.com | oss-ap-northeast-1-internal.aliyuncs.com | HTTP HTTPS |
韩国（首尔） | ap-northeast-2 | oss-ap-northeast-2 | oss-ap-northeast-2.aliyuncs.com | oss-ap-northeast-2-internal.aliyuncs.com | HTTP HTTPS |
新加坡 | ap-southeast-1 | oss-ap-southeast-1 | oss-ap-southeast-1.aliyuncs.com | oss-ap-southeast-1-internal.aliyuncs.com | HTTP HTTPS |
马来西亚（吉隆坡） | ap-southeast-3 | oss-ap-southeast-3 | oss-ap-southeast-3.aliyuncs.com | oss-ap-southeast-3-internal.aliyuncs.com | HTTP HTTPS |
印度尼西亚（雅加达） | ap-southeast-5 | oss-ap-southeast-5 | oss-ap-southeast-5.aliyuncs.com | oss-ap-southeast-5-internal.aliyuncs.com | HTTP HTTPS |
菲律宾（马尼拉） | ap-southeast-6 | oss-ap-southeast-6 | oss-ap-southeast-6.aliyuncs.com | oss-ap-southeast-6-internal.aliyuncs.com | HTTP HTTPS |
泰国（曼谷） | ap-southeast-7 | oss-ap-southeast-7 | oss-ap-southeast-7.aliyuncs.com | oss-ap-southeast-7-internal.aliyuncs.com | HTTP HTTPS |
欧洲与美洲
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
德国（法兰克福） | eu-central-1 | oss-eu-central-1 | oss-eu-central-1.aliyuncs.com | oss-eu-central-1-internal.aliyuncs.com | HTTP HTTPS |
英国（伦敦） | eu-west-1 | oss-eu-west-1 | oss-eu-west-1.aliyuncs.com | oss-eu-west-1-internal.aliyuncs.com | HTTP HTTPS |
美国（硅谷） | us-west-1 | oss-us-west-1 | oss-us-west-1.aliyuncs.com | oss-us-west-1-internal.aliyuncs.com | HTTP HTTPS |
美国（弗吉尼亚） | us-east-1 | oss-us-east-1 | oss-us-east-1.aliyuncs.com | oss-us-east-1-internal.aliyuncs.com | HTTP HTTPS |
墨西哥 | na-south-1 | oss-na-south-1 | oss-na-south-1.aliyuncs.com | oss-na-south-1-internal.aliyuncs.com | HTTP HTTPS |
中东
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
阿联酋（迪拜） | me-east-1 | oss-me-east-1 | oss-me-east-1.aliyuncs.com | oss-me-east-1-internal.aliyuncs.com | HTTP HTTPS |
金融云
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
华东1 金融云 | cn-hangzhou-finance | oss-cn-hzjbp | 不支持 | oss-cn-hzjbp-a-internal.aliyuncs.com oss-cn-hzjbp-b-internal.aliyuncs.com | HTTP HTTPS |
华东2 金融云 | cn-shanghai-finance-1 | oss-cn-shanghai-finance-1 | 不支持 | oss-cn-shanghai-finance-1-internal.aliyuncs.com | HTTP HTTPS |
华南1 金融云 | cn-shenzhen-finance-1 | oss-cn-shenzhen-finance-1 | 不支持 | oss-cn-shenzhen-finance-1-internal.aliyuncs.com | HTTP HTTPS |
华北2 金融云（邀测） | cn-beijing-finance-1 | oss-cn-beijing-finance-1 | 不支持 | oss-cn-beijing-finance-1-internal.aliyuncs.com | HTTP HTTPS |
杭州金融云公网 | cn-hangzhou-finance | oss-cn-hzfinance | oss-cn-hzfinance.aliyuncs.com | oss-cn-hzfinance-internal.aliyuncs.com | HTTP HTTPS |
上海金融云公网 | cn-shanghai-finance-1 | oss-cn-shanghai-finance-1-pub | oss-cn-shanghai-finance-1-pub.aliyuncs.com | oss-cn-shanghai-finance-1-pub-internal.aliyuncs.com | HTTP HTTPS |
深圳金融云公网 | cn-shenzhen-finance-1 | oss-cn-szfinance | oss-cn-szfinance.aliyuncs.com | oss-cn-szfinance-internal.aliyuncs.com | HTTP HTTPS |
北京金融云公网 | cn-beijing-finance-1 | oss-cn-beijing-finance-1-pub | oss-cn-beijing-finance-1-pub.aliyuncs.com | oss-cn-beijing-finance-1-pub-internal.aliyuncs.com | HTTP HTTPS |
政务云
地域 | 地域ID | OSS专用地域ID | 外网Endpoint | 内网Endpoint | 协议 |
华北2 阿里政务云1 | cn-north-2-gov-1 | oss-cn-north-2-gov-1 | 不支持 | oss-cn-north-2-gov-1-internal.aliyuncs.com | HTTP HTTPS |