The Collaborative International Dictionary of English v.0.48:

Birthplace \Birth"place`\, n.
   The town, city, or country, where a person is born; place of
   origin or birth, in its more general sense. "The birthplace
   of valor." --Burns.
   [1913 Webster] birth rate,

WordNet (r) 3.0 (2006):

birthplace
    n 1: the place where someone was born [syn: birthplace, place
         of birth]
    2: where something originated or was nurtured in its early
       existence; "the birthplace of civilization" [syn:
       birthplace, cradle, place of origin, provenance,
       provenience]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "birthplace":
   Vaterland, breeding place, brooder, cradle, fatherland,
   forcing bed, hatchery, home, homeground, homeland, hotbed,
   incubator, la patrie, mother country, motherland, native land,
   native soil, nest, nidus, nursery, patria, rookery,
   the old country