Seems quite likely that it is Libau (present day Liepaja), as others have suggested. It was a major emigration port on the Baltic from where many Jews left the Russian Empire to all places.
Carole Shaw, London UK
SCHNEIDER Kamanets Podolsk, Ukraine & Libau/Libava/Liepaja, Latvia
KLUGMAN Libava/Libau/Liepaja, Latvia, Johannesburg
ROSENTHAL & ZUSCHNEIDER Lublin, Poland
GREENBERG, BRZOZA/BJOZHA, SOBERSKI Lomza/Nowogrod, Poland