The river Nemunas basin
The river Merkys basin
The river Neris basin
The river Zeimena basin
The river Sventoji basin
The river Nevezis basin
The river Dubysa basin
The river Sesupe basin
The river Jura basin
The river Minija basin
The river Daugava basin
The river Lielupe basin
The river Venta basin
The river Bartuva basin
The Baltic Sea basin
