Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Team | City, Region | Arena | Colours | Head coach |
| --- | --- | --- | --- | --- |
| Fjölnir | Grafarvogur , Reykjavík | Dalhús | yellow/blue | Hjalti Vilhjálmsson |
| Grindavík | Grindavík | Grindavík | blue/gold | Sverrir Þór Sverrisson |
| ÍR | Reykjavík | Seljaskóli | blue/white | Jón Arnar Ingvarsson |
| Keflavík | Reykjanesbær | Toyota höllin | blue/white | Sigurður Ingimundarson |
| KR | Reykjavík | DHL-höllin | black/white | Helgi Már Magnússon |
| KFÍ | Ísafjörður | Ísjakinn | red/white | Pétur Már Sigurðsson |
| Njarðvík | Njarðvík | Ljónagryfjan | green/white | Einar Jóhannsson |
| Skallagrímur | Borgarnes | Borgarnes | green/yellow | Pálmi Þór Sævarsson |
| Snæfell | Sauðárkrókur | Stykkishólmur | red/white | Ingi Þór Steinþórsson |
| Stjarnan | Garðabær | Ásgarður | blue/white | Teitur Örlygsson |
| Thor Thorl ( Icelandic : Þór Þorlákshöfn ) | Þorlákshöfn | Þorlákshöfn | blue/black | Benedikt Guðmundsson |
| Tindastóll | Sauðárkrókur | Sauðárkrókur | maroon/white/blue | Bárður Eyþórsson |
Question:
What is the city and region of the team in the dalhús arena?
Answer:
Grafarvogur , Reykjavík