A webmap showcasing the historical toponyms already collected in the framework of the Belgian Historical Gazetteer project is available here

On the left, you can search for a historical place name by clicking on the icon with the binoculars. On the right, you can filter the type of historical toponym you can visualize, by clicking on one or several Geonames code: for instance if you click on "ML" you will only see the toponyms used to name a mill (click on "clear filter" to see the complete dataset again). The following table shows the description of all Geonames code visible on the webmap.

Geonames code
Description1
Description2
ADM1
Province

ADM2
arrondissement

ADM3
canton

ANS
archaeological/prehistoric site
a place where archeological remains, old structures, or cultural artifacts are located
ATHF
athletic field
a tract of land used for playing team sports, and athletic track and field events
BDG
bridge

BGHT
bight(s)
an open body of water forming a slight recession in a coastline
BLDG
building(s)
a structure built for permanent use, as a house, factory, etc.
BOG
bog(s)
a wetland characterized by peat forming sphagnum moss, sedge, and other acid-water plants
CH
church, chapel

CMTY
cemetery

CSTL
castle

CVNT
convent

DAM
dam

DUNE
dune(s)
a wave form, ridge or star shape feature composed of sand
FLD
field(s)
an open as opposed to wooded area
FRM
farm

FRST
forest

FT
fort

FY
ferry
a boat or other floating conveyance and terminal facilities regularly used to transport people and vehicles across a waterbody
HLL
hill
a rounded elevation of limited extent rising above the surrounding land with local relief of less than 300m
HSTS
historical site
a place of historical importance
HTH
heath
an upland moor or sandy area dominated by low shrubby vegetation including heather
INDS
industrial area
an area characterized by industrial activity
LCTY
locality
a minor area or place of unspecified or mixed character and indefinite boundaries
LK
lake
a large inland body of standing water
MFG
factory
one or more buildings where goods are manufactured, processed or fabricated
MFGLM
limekiln
a furnace in which limestone is reduced to lime
ML
mill

MLSW
sawmill
a mill where logs or lumber are sawn to specified shapes and sizes
MN
mine(s)
a site where mineral ores are extracted from the ground by excavating surface pits and subterranean passages
MNQR
quarry(-ies)
a surface mine where building stone or gravel and sand, etc. are extracted
MRSH
marsh(es)
a wetland dominated by grass-like vegetation
MSTY
monastery
a building and grounds where a community of monks lives in seclusion
MVA
maneuver area
a tract of land where military field exercises are carried out
OBPT
observation point
a wildlife or scenic observation point
PIER
pier
a structure built out into navigable water on piles providing berthing for ships and recreation
PND
pond
a small standing waterbody
PNDSF
fishponds
ponds or enclosures in which fish are kept or raised
PPL
populated place
a city, town, village, or other agglomeration of buildings where people live and work
PPLL
populated locality
an area similar to a locality but with a small group of dwellings or other buildings
PRK
park
an area, often of forested land, maintained as a place of beauty, or for recreation
PRN
prison
a facility for confining prisoners
RDIN
intersection
a junction of two or more highways by a system of separate levels that permit traffic to pass from one to another without the crossing of traffic streams
RESN
nature reserve
an area reserved for the maintenance of a natural habitat
REST
restaurant
A place where meals are served to the public
RLG
religious site
an ancient site of significant religious importance
RSTN
railroad station
a facility comprising ticket office, platforms, etc. for loading and unloading train passengers and freight
RUIN
ruin(s)
a destroyed or decayed structure which is no longer functional
SCH
school
building(s) where instruction in one or more branches of knowledge takes place
SLCE
sluice
a conduit or passage for carrying off surplus water from a waterbody, usually regulated by means of a sluice gate
TMPL
temple(s)
an edifice dedicated to religious worship
WTLD
wetland
an area subject to inundation, usually characterized by bog, marsh, or swamp vegetation