| Key | Value | 
| admin_level | 2 | 
| border_type | territorial | 
| boundary | administrative | 
| left:country | Suomi | 
| left:country:en | Finland | 
| left:country:fi | Suomi | 
| left:country:sv | Finland | 
| maritime | yes | 
| note | Should be an arch as defined by the law | 
| source | law | 
| source_ref | http://www.finlex.fi/fi/laki/alkup/1995/19950993 |