This article is the result of research funded by the Ministry of Research, Technology and
Higher Education of Republic Indonesia. This research was conducted because of existing a lot of
facebookers in Indonesia and raising many groups affliated to ethnicities which used facebook. This
research was qualitative approach. First stage in this research is to identify members status within
groups in related to spreading of nationalism. Data of postings in facebook were analyzed. To sharpen
analysis, researcher also interviewed chair person of group and member of group. The theory that was
used in this research was imagined community from Benedict Anderson’s thought. The result showed
that the ffth group used facebook group to inter-connecting for communication and spreading of
Indonesia nationalism values.