The purpose of this study was to investigate the social well-being of institutionalized elderly rnpeople in terms of social integration, social acceptance, social coherence, social contribution rnand social actualization. The study site was Sewasew Genet Charity and Development rnOrganization which is found in Oromia Regional state, North Showa Zone, Girar Jarso woreda. rnCross-sectional descriptive survey research design was used. Data were collected through Keyes rnSocial Well-Being Scale and interview guide prepared for this purpose. Stratified sampling rntechniques were used to select participants. Data were collected from 81 male and 107 female rnparticipants whose age was 60 years and above using Keyes Social Well-Being and interview rnguides. Three participants were purposively selected and participated in the interview session, rnbecause they were communicating with the researcher accordingly. Independent t-test and One way ANOVA were employed to analyze the quantitative data. The result of the study depicted rnthat using the midpoint of the social well-being scale; the institutionalized elderly people were rnsocially well which is 157 (83.51%) participants, were one standard deviation above the mean rnscore (81). Independent t-test shows that there is no statistically significant difference between rnmale and female participants, (male M=110.9381, SD=17.79391) and female (M=107.1122, rnSD=17.64262) and (t = 2.5345, df =186, p=.826). On the other hand the one way ANOVA also rnrevealed that there is no statistically significant difference among elderly people of different age rngroups and duration of stay in terms of social well-being. The findings of qualitative data rnshowed that the participants were experiencing wellness in their social life than before (before rnjoined the institutional care). Therefore, the study revealed, that institutional care has no rnnegative impact on the social well-being of elders. Because the finding showed that there is no rnsignificant difference in terms of sex, age and duration of stay which is p=.826, p= .886 and p= rn.799 respectively. Therefore, elders who are living alone with several social and psychological rnproblems in different parts of the country are encouraged to join institutional care giving rncenters.