Can I use
?

Geolocation

- REC

Method of informing a website of the user's geographical location

Chrome

  1. 4: Partial support
  2. 5 - 49: Supported
  3. 50 - 105: Supported
  4. 106: Supported
  5. 107 - 109: Supported

Edge

  1. 12 - 18: Supported
  2. 79 - 105: Supported
  3. 106: Supported

Safari

  1. 3.1 - 4: Not supported (but has polyfill available)
  2. 5 - 9.1: Supported
  3. 10: Supported
  4. 10.1 - 15.6: Supported
  5. 16.0: Supported
  6. 16.1 - TP: Supported

Firefox

  1. 2 - 3: Not supported (but has polyfill available)
  2. 3.5 - 54: Supported
  3. 55 - 104: Supported
  4. 105: Supported
  5. 106 - 107: Supported

Opera

  1. 9 - 9.6: Not supported
  2. 10 - 10.5: Not supported (but has polyfill available)
  3. 10.6 - 12.1: Supported
  4. 15: Not supported
  5. 16 - 38: Supported
  6. 39 - 90: Supported
  7. 91: Supported

IE

  1. 5.5: Not supported
  2. 6 - 8: Not supported (but has polyfill available)
  3. 9 - 10: Supported
  4. 11: Supported

Chrome for Android

  1. 106: Supported

Safari on iOS

  1. 3.2 - 9.3: Supported
  2. 10 - 15.6: Supported
  3. 16.0: Supported
  4. 16.1: Supported

Samsung Internet

  1. 4: Supported
  2. 5 - 17.0: Supported
  3. 18.0: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10: Not supported (but has polyfill available)
  2. 11 - 12.1: Supported
  3. 64: Supported

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 106: Supported

Firefox for Android

  1. 105: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
Geolocation API on MDN
has.js test
WebPlatform Docs