The LOCATION@1 can be simply divided into seven groups : LOCATION@2 , LOCATION@3 , Northern Sporades , LOCATION@4 , LOCATION@5 -LRB- or LOCATION@6 -RRB- , Dodecanese -LRB- or MISC@1 -RRB- , LOCATION@7 .

There are seven groups of LOCATION@8 islands : the LOCATION@9 group , the LOCATION@10 group , the Northern Sporades , the LOCATION@4 , the LOCATION@5 -LRB- or LOCATION@6 -RRB- , the MISC@2 and LOCATION@7 .
