geolocation-8.x-3.x-dev/modules/geolocation_yandex/geolocation_yandex.routing.yml

geolocation_yandex.settings:
  path: '/admin/config/services/geolocation/yandex_maps'
  defaults:
    _form:  '\Drupal\geolocation_yandex\Form\YandexMapsSettings'
    _title: 'Yandex Maps settings'
  requirements:
    _permission: 'configure geolocation'