It is places.txt
Page 73 in the 1.9 manual
#Location data config file, NexStorm 1.8
#Map origin (centerpoint)
MAP_CLAT=44.21
MAP_CLON=-71.92
#Symbol and Label colors
SYM_COLOR=0xEEEEEE
SYM_OUTLN=0x222222
TXT_COLOR=0xCCCC66
TXT_OUTLN=0x000000
#Symbol and Label font selection
SYM_FONT=Wingdings
SYM_FONTSZ=7
TXT_FONT=Tahoma
TXT_FONTSZ=8
#Semicolon separated list of places
#Format specification, left to right order:
#Place name;Latitude;Longitude;Visibility range;Distance units (K or M);Marker symbol;Text label alignment [L,R,T,B];Bold text flag 0=off 1=on
Boston;42.357;-71.06;375.0;M;0x6C;R;0
Manchester;42.93;-71.44;750.0;M;0x51;R;0
Stockholm;59.4;18.03;700.0;K;0x6C;L;1
Örebro;59.22361;15.03806;400.0;K;0x51;L;0
Västerås;59.617;16.533;400.0;K;0x51;R;0
Oslo;59.91;10.75;1200.0;K;0x6C;R;0
Copenhagen;55.66;12.58;1200.0;K;0x6C;B;0
Helsinki;60.3;25.0;1200.0;K;0x6C;T;0