First Contact provides the best information for migrants and refugees.
More relevant links and information:
About refugees/ Greece:
http://reliefweb.int/vulnerable-groups/refugees?country=104#content
Greece
http://reliefweb.int/country/grc
Refugees
http://reliefweb.int/vulnerable-groups/refugees#content
https://docs.google.com/document/d/1MpjUoKZjqgZckMaEl-w3bThExBJJfdooJOZy5tdpP3c/edit#heading=h.5im371txnvhb
http://www.picturegreece.gr/
Thema: Number of arrivals to Greek islands
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-number-arrivals-greek-islands-9-october
Greece: Presence of UNHCR and asylum services
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-presence-unhcr-and-asylum-services
Thema: ERCC - Emergency Response Coordination Centre
Quelle: European Commission Humanitarian Aid Office
http://reliefweb.int/map/world/syria-refugees-echo-daily-map-08102015
Thema: Who's Doing What Where? (Greek -Turkish borders)
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/whos-doing-what-where-greek-turkish-borders-7-october-2015
Greece: Number of arrivals to islands per 100 inhabitants
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-number-arrivals-islands-100-inhabitants-05092015
Refugee
Quelle: SOS Kinderdörfer
http://reliefweb.int/map/world/refugee-crisis-21-sep-2015
Mediterranean Update, Global Overview - Missing Migrants Project
Quelle: International Organization for Migration
http://reliefweb.int/report/world/mediterranean-update-global-overview-missing-migrants-project-9-october-2015
http://missingmigrants.iom.int/sites/default/files/Mediterranean_Update_9_October_3.jpg
http://missingmigrants.iom.int/sites/default/files/Mediterranean_Update_9_October_page_2_3.jpg
http://reliefweb.int/map/syrian-arab-republic/syrian-arab-republicwhole-syria-cccm-sector-idps-reached-sub-district-level
http://reliefweb.int/map/syrian-arab-republic/emergency-telecommunications-cluster-etc-syria-operation-october-2015
About refugees/ Greece:
http://reliefweb.int/vulnerable-groups/refugees?country=104#content
Greece
http://reliefweb.int/country/grc
Refugees
http://reliefweb.int/vulnerable-groups/refugees#content
https://docs.google.com/document/d/1MpjUoKZjqgZckMaEl-w3bThExBJJfdooJOZy5tdpP3c/edit#heading=h.5im371txnvhb
http://www.picturegreece.gr/
Thema: Number of arrivals to Greek islands
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-number-arrivals-greek-islands-9-october
Greece: Presence of UNHCR and asylum services
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-presence-unhcr-and-asylum-services
Thema: ERCC - Emergency Response Coordination Centre
Quelle: European Commission Humanitarian Aid Office
http://reliefweb.int/map/world/syria-refugees-echo-daily-map-08102015
Thema: Who's Doing What Where? (Greek -Turkish borders)
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/whos-doing-what-where-greek-turkish-borders-7-october-2015
Greece: Number of arrivals to islands per 100 inhabitants
Quelle: UN High Commissioner for Refugees
http://reliefweb.int/map/greece/greece-number-arrivals-islands-100-inhabitants-05092015
Refugee
Quelle: SOS Kinderdörfer
http://reliefweb.int/map/world/refugee-crisis-21-sep-2015
Mediterranean Update, Global Overview - Missing Migrants Project
Quelle: International Organization for Migration
http://reliefweb.int/report/world/mediterranean-update-global-overview-missing-migrants-project-9-october-2015
http://missingmigrants.iom.int/sites/default/files/Mediterranean_Update_9_October_3.jpg
http://missingmigrants.iom.int/sites/default/files/Mediterranean_Update_9_October_page_2_3.jpg
http://reliefweb.int/map/syrian-arab-republic/syrian-arab-republicwhole-syria-cccm-sector-idps-reached-sub-district-level
http://reliefweb.int/map/syrian-arab-republic/emergency-telecommunications-cluster-etc-syria-operation-october-2015