# meteostat.Stations.region
Filter weather stations by country and state/region codes.
# Parameters
The method requires a country code and takes an optional region parameter.
| Parameter | Description | Type | Default |
|---|---|---|---|
| country | ISO 3166-1 alpha-2 country code | String | undefined |
| state | ISO 3166-2 state or region code | String | None |
# Returns
Stations class instance
# Example
Get number of weather station in Ontario, Canada.
from meteostat import Stations
stations = Stations()
stations = stations.region('CA', 'ON')
print('Stations in Ontario:', stations.count())