Breastfeeding is a natural procces which starts with birth of a baby. World Health Organisation reccomends exclusive breastfeeding for first six months of baby’s life with continuence of breastfeeding and supplementary feeding. Mothers milk is created in breasts with action of prolactin which is successfull in creating milk and oxytocin which is involved in releasing milk. Mother’s milk is devided on colostrum, transitional milk and mature milk. Colostrum begins to create itself in lasts months of pregnancy and it is first food that newborn baby consumates. Eventually, around five days postpartum colostrum transfers into transitional milk and at the end of newborn stage, transitional milk becomes mature milk. Mother's milk has many benefits for baby and for the mother. It satisfies all nutritional and energy needs of a baby. It provides immunological, development and psychological advantages and protects the mother from many diseases like cancer, diabetes type 2 and cardiovascular diseases. There are more then 150 breastfeeding support groups in Croatia. Groups encourage mothers to continue breastfeeding, to share experiences and exepting themselfs as a mother and as a person. In research conducted from february till may 2023. it participated 155 women age from 18 to 56 years. Goal of the research was to determine knowledge of breasfeeding, how it's represented and the sattisfaction with it. Furthermore, attitudes were questioned about the benefits od mother's milk, about breastfeeding, changes in diet in breastfeeding women and the support system they had during breastfeeding time. The results show that most women were informed about breastfeeding, that they received informationes from health visitor, 63 (34%) of them, searched informationes online 35 (19%) of them or get informations from other mother's 18(10%) of participants. The results are in favor of breastfeeding and benefits od mother's milk. Participants also confirmed change in diet while breastfeeding. The response was partial change in diet in 76 (52%) women. 120 (77%) women had family support during breastfeeding time. Avarage answer for lenght of breastfeeding was longer than one year which answered 84 (58%) women. Many women had experienced problems during breastfeeding, mastitis 37 (32%) women, indented and flat nipples 21 (18%) women in which time health visitors were very helpfull and supportive.