An integrated strut and turbine vane nozzle arrangement (28;28') for a gas turbine engine, comprising: an interturbine duct including inner and outer annular duct walls (32,30) arranged concentrically about an axis and defining an annular flow passage therebetween, an array of circumferentially spaced apart struts extending radially across the annular flow passage, each of the struts having an airfoil profile with a leading edge and a trailing edge portion, the inner and outer annular duct walls (32,30) each defining a plurality of receivers (60,64) in respective downstream end sections of the inner and outer annular duct walls (30,32), each of the receivers being circumferentially located between adjacent struts and comprising opposed axial surfaces (62,66) circumferentially facing each other; a plurality of vane nozzle segments (40;40'), each of the vane nozzle segments (40;40') including an inner ring segment, an outer ring segment and a plurality of spaced apart vane airfoils extending between and interconnecting the inner and outer ring segments (42,44), the inner and outer ring segments of vane nozzle segments (40;40') being removably axially received between the two axial surfaces (62;66) of the respective receivers (60,64) of the ITD, the vane nozzle segments (40;40') cooperating with the downstream end section of the inner and outer annular duct walls (32,30) to provide a vane nozzle integrated with the ITD, the vane airfoils of the vane ring segments (40;40') in combination with trailing edge portions of the respective struts forming an array of nozzle openings in a downstream end section of the annular flow passage; and a retaining ring axially retaining respective vane nozzle segments to the interturbine duct, wherein the retaining ring is releasably received in a circumferential groove defined in the ITD in the inner annular duct wall, the retaining ring being in contact with a circumferentially extending radial surface of the respective vane nozzle segments (40;40') to thereby axially retain the vane nozzle segments (40;40') in position with respect to the ITD; wherein the receivers (60,64) are defined as a plurality of recesses in the outer annular duct wall and a plurality of slots in the inner annular duct wall. an interturbine duct including inner and outer annular duct walls (32,30) arranged concentrically about an axis and defining an annular flow passage therebetween, an array of circumferentially spaced apart struts extending radially across the annular flow passage, each of the struts having an airfoil profile with a leading edge and a trailing edge portion, the inner and outer annular duct walls (32,30) each defining a plurality of receivers (60,64) in respective downstream end sections of the inner and outer annular duct walls (30,32), each of the receivers being circumferentially located between adjacent struts and comprising opposed axial surfaces (62,66) circumferentially facing each other; a plurality of vane nozzle segments (40;40'), each of the vane nozzle segments (40;40') including an inner ring segment, an outer ring segment and a plurality of spaced apart vane airfoils extending between and interconnecting the inner and outer ring segments (42,44), the inner and outer ring segments of vane nozzle segments (40;40') being removably axially received between the two axial surfaces (62;66) of the respective receivers (60,64) of the ITD, the vane nozzle segments (40;40') cooperating with the downstream end section of the inner and outer annular duct walls (32,30) to provide a vane nozzle integrated with the ITD, the vane airfoils of the vane ring segments (40;40') in combination with trailing edge portions of the respective struts forming an array of nozzle openings in a downstream end section of the annular flow passage; and a retaining ring axially retaining respective vane nozzle segments to the interturbine duct, wherein the retaining ring is releasably received in a circumferential groove defined in the ITD in the inner annular duct wall, the retaining ring being in contact with a circumferentially extending radial surface of the respective vane nozzle segments (40;40') to thereby axially retain the vane nozzle segments (40;40') in position with respect to the ITD; wherein the receivers (60,64) are defined as a plurality of recesses in the outer annular duct wall and a plurality of slots in the inner annular duct wall.