Аннотация:This article, which is based on 24 in-depth interviews conducted in 2005 with Finnish immigrant women in Estonia, analyzes immigrant acculturation in relation to cross-border contacts.I compared weak and strong social ties of two groups: respondents who were living in a Finnish 'enclave' separated from Estonian society, and respondents who were socially and institutionally integrated into Estonian society.Surprisingly, there was no notable difference in the type and frequency of inter-personal contacts maintained with Finland between the two groups; most interviewees sustained intense inter-personal contacts with family and friends by phone, the Internet and through reciprocal visits.Socalled weak ties that bind together rarely interacting people played a major role in the respondent's integration into the host society.Those women who had no social contacts within Estonian society preferred to use health-care and social welfare services in Finland, whereas the integrated women had established multiple institutional ties to Estonian society.