<TabControl prism:RegionManager.RegionName="{x:Static inf:RegionNames.ContentRegion}">
        <TabControl.ItemContainerStyle>
            <Style TargetType="{x:Type TabItem}">
                <Setter Property="Header" Value="{Binding TabName}" />
            </Style>
        </TabControl.ItemContainerStyle>
    </TabControl>

_regionManager.RegisterViewWithRegion(RegionNames.ContentRegion, typeof(ContentView));