IONA

1. Largest island=Great Britain

1.1. Scotland

1.1.1. capital=Edinburgh

1.2. England

1.2.1. capital=London

1.3. Wales

1.3.1. capital=Cardiff

2. Smaller Island

2.1. Northern Ireland

2.1.1. capital=Belfast

2.2. Ireland

2.2.1. capital=Dublin