diff --git a/DataExtractionOSM/src/net/osmand/data/City.java b/DataExtractionOSM/src/net/osmand/data/City.java
index 269971696c..80ab19704a 100644
--- a/DataExtractionOSM/src/net/osmand/data/City.java
+++ b/DataExtractionOSM/src/net/osmand/data/City.java
@@ -4,6 +4,7 @@ import java.text.Collator;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
+import java.util.Set;
 import java.util.TreeMap;
 
 import net.osmand.Algoritms;
@@ -48,16 +49,23 @@ public class City extends MapObject {
 	private CityType type = null;
 	// Be attentive ! Working with street names ignoring case
 	private Map<String, Street> streets = new TreeMap<String, Street>(Collator.getInstance()); 
+	private String isin = null;
 	
 	public City(Node el){
 		super(el);
 		type = CityType.valueFromString(el.getTag(OSMTagKey.PLACE));
+		isin = el.getTag(OSMTagKey.IS_IN);
+		isin = isin != null ? isin.toLowerCase() : null;
 	}
 	
 	public City(CityType type){
 		this.type = type;
 	}
 	
+	public String getIsInValue() {
+		return isin;
+	}
+	
 	public boolean isEmptyWithStreets(){
 		return streets.isEmpty();
 	}
diff --git a/DataExtractionOSM/src/net/osmand/data/index/DataIndexReader.java b/DataExtractionOSM/src/net/osmand/data/index/DataIndexReader.java
index 92a4fcc5f5..35cb11abcf 100644
--- a/DataExtractionOSM/src/net/osmand/data/index/DataIndexReader.java
+++ b/DataExtractionOSM/src/net/osmand/data/index/DataIndexReader.java
@@ -66,7 +66,7 @@ public class DataIndexReader {
 	}
 	
 	public List<Street> readStreetsBuildings(PreparedStatement streetBuildingsStat, City city, List<Street> streets) throws SQLException {
-		return readStreetsBuildings(streetBuildingsStat, city, streets, null, null);
+		return readStreetsBuildings(streetBuildingsStat, city, streets, null, null, null);
 	}
 	
 	public PreparedStatement getStreetsWayNodesPreparedStatement(Connection c) throws SQLException{
@@ -74,8 +74,26 @@ public class DataIndexReader {
 	}
 
 	public List<Street> readStreetsBuildings(PreparedStatement streetBuildingsStat, City city, List<Street> streets,
-			PreparedStatement waynodesStat, Map<Street, List<Node>> streetNodes) throws SQLException {
+			PreparedStatement waynodesStat, Map<Street, List<Node>> streetNodes, List<City> citySuburbs) throws SQLException {
 		Map<Long, Street> visitedStreets = new LinkedHashMap<Long, Street>();
+		//read streets for city
+		readStreatsByBuildingsForCity(streetBuildingsStat, city, streets,
+				waynodesStat, streetNodes, visitedStreets);
+		//read streets for suburbs of the city
+		if (citySuburbs != null) {
+			for (City suburb : citySuburbs) {
+				readStreatsByBuildingsForCity(streetBuildingsStat, suburb, streets, waynodesStat, streetNodes, visitedStreets);
+			}
+		}
+		return streets;
+	}
+
+
+	private void readStreatsByBuildingsForCity(
+			PreparedStatement streetBuildingsStat, City city,
+			List<Street> streets, PreparedStatement waynodesStat,
+			Map<Street, List<Node>> streetNodes,
+			Map<Long, Street> visitedStreets) throws SQLException {
 		streetBuildingsStat.setLong(1, city.getId());
 		ResultSet set = streetBuildingsStat.executeQuery();
 		while (set.next()) {
@@ -112,7 +130,6 @@ public class DataIndexReader {
 		}
 
 		set.close();
-		return streets;
 	}
 	
 	public PreparedStatement getStreetsPreparedStatement(Connection c) throws SQLException{
diff --git a/DataExtractionOSM/src/net/osmand/data/preparation/IndexCreator.java b/DataExtractionOSM/src/net/osmand/data/preparation/IndexCreator.java
index ddf7acedb1..6d740a3fa2 100644
--- a/DataExtractionOSM/src/net/osmand/data/preparation/IndexCreator.java
+++ b/DataExtractionOSM/src/net/osmand/data/preparation/IndexCreator.java
@@ -2,6 +2,7 @@ package net.osmand.data.preparation;
 
 import java.awt.geom.Line2D;
 import java.awt.geom.Point2D;
+import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -1907,11 +1908,28 @@ public class IndexCreator {
 
 		Map<String, Set<Street>> postcodes = new TreeMap<String, Set<Street>>();
 		boolean writeCities = true;
+		
+		// collect suburbs with is in value
+		List<City> suburbs = new ArrayList<City>();
+		for(City s : cities){
+			if(s.getType() == CityType.SUBURB && s.getIsInValue() != null){
+				suburbs.add(s);
+			}
+		}
 
 		// write cities and after villages
 		writer.startCityIndexes(false);
 		for (int i = 0; i < cities.size(); i++) {
 			City c = cities.get(i);
+			List<City> listSuburbs = null;
+			for (City suburb : suburbs) {
+				if (suburb.getIsInValue().contains(c.getName().toLowerCase())) {
+					if(listSuburbs == null){
+						listSuburbs = new ArrayList<City>();
+					}
+					listSuburbs.add(suburb);
+				}
+			}
 			if (writeCities) {
 				progress.progress(1);
 			} else if ((cities.size() - i) % 100 == 0) {
@@ -1929,7 +1947,7 @@ public class IndexCreator {
 				streetNodes = new LinkedHashMap<Street, List<Node>>();
 			}
 			long time = System.currentTimeMillis();
-			reader.readStreetsBuildings(streetstat, c, streets, waynodesStat, streetNodes);
+			reader.readStreetsBuildings(streetstat, c, streets, waynodesStat, streetNodes, listSuburbs);
 			long f = System.currentTimeMillis() - time;
 			writer.writeCityIndex(c, streets, streetNodes);
 			int bCount = 0;
@@ -2605,7 +2623,7 @@ public class IndexCreator {
 	private NewDataExtractionOsmFilter extractOsmToNodesDB(File readFile, IProgress progress, IOsmStorageFilter addFilter) throws FileNotFoundException,
 			IOException, SQLException, SAXException {
 		boolean pbfFile = false;
-		InputStream stream = new FileInputStream(readFile);
+		InputStream stream = new BufferedInputStream(new FileInputStream(readFile), 8192*4);;
 		InputStream streamFile = stream;
 		long st = System.currentTimeMillis();
 		if (readFile.getName().endsWith(".bz2")) { //$NON-NLS-1$
diff --git a/DataExtractionOSM/src/net/osmand/osm/OSMSettings.java b/DataExtractionOSM/src/net/osmand/osm/OSMSettings.java
index 3455e95803..3c7bec87d8 100644
--- a/DataExtractionOSM/src/net/osmand/osm/OSMSettings.java
+++ b/DataExtractionOSM/src/net/osmand/osm/OSMSettings.java
@@ -34,6 +34,7 @@ public class OSMSettings {
 		ADDRESS_TYPE("address:type"), //$NON-NLS-1$
 		ADDRESS_HOUSE("address:house"), //$NON-NLS-1$
 		TYPE("type"), //$NON-NLS-1$
+		IS_IN("is_in"), //$NON-NLS-1$
 		
 		// POI
 		AMENITY("amenity"), //$NON-NLS-1$