Turbine housing, turbine, and turbocharger

A turbine housing that houses at least a part of a turbine wheel, the turbine housing comprising:

• a first scroll flow path for supplying a working gas to the turbine wheel;
• and
• a first tongue portion formed at a position of an outlet of the first scroll flow path,
• wherein, in a cross section along an axial direction of the turbine wheel, the first tongue portion includes an inner end edge that faces a front edge of a blade of the turbine wheel with a clearance in a radial direction of the turbine wheel interposed between the inner end edge and the front edge,
• the inner end edge includes at least one inclined portion inclined with respect to the axial direction, and
• wherein an axial length of the front edge provided in the axial direction is denoted by A, and a total axial length of the at least one inclined portion provided in the axial direction is denoted by B, the inner end edge is configured to satisfy B≥0.2A.