diff --git a/format/address.js b/format/address.js
index 62ebe39f..b629ecc6 100644
--- a/format/address.js
+++ b/format/address.js
@@ -2,14 +2,16 @@
 
 const formatCoord = require('./coord')
 
-const formatAddress = (latitude, longitude, name) => {
-	if (!latitude || !longitude || !name) throw new Error('invalid address.')
+const formatAddress = (a) => {
+	// todo: type-checking, better error msgs
+	if (!a.latitude || !a.longitude || !a.name) throw new Error('invalid address.')
+
 	return {
 		type: 'A',
-		name,
+		name: a.name,
 		crd: {
-			x: formatCoord(longitude),
-			y: formatCoord(latitude)
+			x: formatCoord(a.longitude),
+			y: formatCoord(a.latitude)
 		}
 	}
 }
diff --git a/format/index.js b/format/index.js
index 90e2831b..75f69239 100644
--- a/format/index.js
+++ b/format/index.js
@@ -7,5 +7,6 @@ module.exports = {
 	station: require('./station'),
 	address: require('./address'),
 	poi: require('./poi'),
+	location: require('./location'),
 	locationFilter: require('./location-filter')
 }
diff --git a/format/location.js b/format/location.js
new file mode 100644
index 00000000..3401e32e
--- /dev/null
+++ b/format/location.js
@@ -0,0 +1,14 @@
+'use strict'
+
+const formatLocation = (profile, l) => {
+	if ('string' === typeof l) return profile.formatStation(l)
+	if ('object' === typeof l) {
+		if (l.type === 'station') return profile.formatStation(l.id)
+		if (l.type === 'poi') return profile.formatPoi(l)
+		if (l.type === 'address') return profile.formatAddress(l)
+		throw new Error('invalid location type: ' + l.type)
+	}
+	throw new Error('valid station, address or poi required.')
+}
+
+module.exports = formatLocation
diff --git a/format/poi.js b/format/poi.js
index 4af29ea9..cef0c55a 100644
--- a/format/poi.js
+++ b/format/poi.js
@@ -2,15 +2,17 @@
 
 const formatCoord = require('./coord')
 
-const formatPoi = (latitude, longitude, id, name) => {
-	if (!latitude || !longitude || !id || !name) throw new Error('invalid poi.')
+const formatPoi = (p) => {
+	// todo: type-checking, better error msgs
+	if (!p.latitude || !p.longitude || !p.id || !p.name) throw new Error('invalid poi.')
+
 	return {
 		type: 'P',
-		name,
-		lid: 'L=' + id,
+		name: p.name,
+		lid: 'L=' + p.id,
 		crd: {
-			x: formatCoord(longitude),
-			y: formatCoord(latitude)
+			x: formatCoord(p.longitude),
+			y: formatCoord(p.latitude)
 		}
 	}
 }
diff --git a/lib/default-profile.js b/lib/default-profile.js
index 66995dba..c5257b82 100644
--- a/lib/default-profile.js
+++ b/lib/default-profile.js
@@ -19,6 +19,7 @@ const formatLocationFilter = require('../format/location-filter')
 const formatPoi = require('../format/poi')
 const formatStation = require('../format/station')
 const formatTime = require('../format/time')
+const formatLocation = require('../format/location')
 
 const id = x => x
 
@@ -45,7 +46,8 @@ const defaultProfile = {
 	formatLocationFilter,
 	formatPoi,
 	formatStation,
-	formatTime
+	formatTime,
+	formatLocation
 }
 
 module.exports = defaultProfile