The village Krajkovići is part of the hills settlements around TREBINJE. Since there are eight current parishes for Trebinje and over a hundred Serbian Orthodox temples past and present on the territory that they cover, it will take a while to establish through church schematism books and resources which parish your ancestors belonged to.
You can contact the eparchy Trebinje belongs to -
EPARHIJA ZAHUMSKO-HERCEGOVAČKA I PRIMORSKA
http://www.eparhija-zahumskohercegovacka.com/node/1008or send me an email on
yugaya at gmail dot com
for any other help like directions on the customary way how best to ask for information from the SOC if you are a direct descendant of people who belonged to one of their parishes, and where to look for people from the same village today in the ex-Yugoslavia countries.
You are most likely directly related through a common ancestor with everyone with that same surname who originates from that village. Other villages in the same area this family lived in : DRAČEVO, GRMLJANI, POLJICE ČIČEVO.
A good place to start is to contact local news portals - here is the contact for GLAS TREBINJA local newspaper :
http://www.glastb.com/index.htm(you may need to find someone who can communicate with them in Serbian to get the most information and help)
Leave a message on Hercegovina Serbian surnames origin forum- prof. Nikola Laketa from Australia has the most extensive knowledge on origin of families from the area you need.
his scientific biography summary (in English):
http://www.prebilovci.net/english/history/index.htmforum where he posts answers:
http://www1.serbiancafe.com/lat/diskusije/mesg/139/013432296...Photos of the area and nearby villages, Serbian Orthodox Church temples of interest for your research:
http://en.worldpoi.info/city/84135/gallery/http://www.eparhija-zahumskohercegovacka.com/?q=node/1797http://www.eparhija-zahumskohercegovacka.com/node/3211(in English) monasteries, which had their own parishes and often the
the information comes from church archives relating to them :
http://www.trebinjeturizam.com/en/manastiri.phpYou can find info on members of this family in historical documents about Trebinje, they were teachers and merchants during the period between the two world wars.
First mention of the family name is from the year 1399. and related to the village by the name KURILI ( Petrovo Selo ).
att.: earliest mention and reference source